diff --git a/src/errors.h b/src/errors.h
index 7e6d0db..9a5da9c 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -3218,8 +3218,8 @@
 	INIT(= N_("E1261: Cannot import .vim without using \"as\""));
 EXTERN char e_cannot_import_same_script_twice_str[]
 	INIT(= N_("E1262: Cannot import the same script twice: %s"));
-EXTERN char e_using_autoload_name_in_non_autoload_script_str[]
-	INIT(= N_("E1263: Using autoload name in a non-autoload script: %s"));
+EXTERN char e_cannot_use_name_with_hash_in_vim9_script_use_export_instead[]
+	INIT(= N_("E1263: cannot use name with # in Vim9 script, use export instead"));
 EXTERN char e_autoload_import_cannot_use_absolute_or_relative_path[]
 	INIT(= N_("E1264: Autoload import cannot use absolute or relative path: %s"));
 EXTERN char e_cannot_use_partial_here[]